參數(shù)資料
型號(hào)： 935261327518
廠商： NXP SEMICONDUCTORS
元件分類： ADC
英文描述： DUAL 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP64
封裝： PLASTIC, SOT-314-2, LQFP-64
文件頁(yè)數(shù)： 2/26頁(yè)
文件大小： 262K
代理商： 935261327518
1999 Sep 16
10
Philips Semiconductors
Objective specication
Dual 8-bit, 100 Msps A/D converter with
DPGA
TDA8798
HANDLING
Inputs and outputs are protected against electrostatic discharges in normal handling. However, to be totally safe, it is
desirable to take normal precautions appropriate to handling integrated circuits.
THERMAL CHARACTERISTICS
CHARACTERISTICS
VDDA =V5 (or V12 or V20 or V61) to V8 (or V9 or V21 or V60) = 3.15 to 3.45 V; VDDD =V25 (or V56) to V24 (or V57) = 3.0
to 3.6 V; VDDO =V31 (or V50) to V32 (or V49) = 2.7 to 3.6 V; VSSA, VSSD and VSSO shorted together; VDDA to
VDDD = 0.25 to +0.25 V; VDDD to VDDO = 0.25 to +0.90 V; VDDA to VDDO = 0.25 to +0.75 V; Tamb =0to70 °C; typical
values measured at VDDA =VDDD =VDDO = 3.3 V and Tamb =25 °C; unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth(j-a)
thermal resistance from junction to ambient
in free air
68
K/W
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
VDDA
analog supply voltage
3.15
3.3
3.45
V
VDDD
digital supply voltage
3.0
3.3
3.6
V
VDDO
output stage supply voltage
2.7
3.3
3.6
V
IDDA
analog supply current
DPGAEN LOW
106
mA
DPGAEN HIGH
tbf
mA
IDDD
digital supply current
30
mA
IDDO
output stage supply current
fCLK = 100 MHz;
ramp input
3
mA
Digital programmable gain ampliers
ANALOG INPUTS (VIN1, VIN1N, VIN2 AND VIN2N)
Vi(dif)(max)(p-p)
maximum differential input
voltage (peak-to-peak value)
at G(min)
0.5
V
at G(max)
10
mV
Vi(cm)(DPGA)
common mode input voltage
tbf
2.8
tbf
V
Ii(DPGA)
input current
at Vi(cm)(DPGA)
tbf
A
Ri(DPGA)
input resistance
1
k
Ci(DPGA)
input capacitance
5pF
ANALOG OUTPUTS (DPGA1, DPGA1N, DPGA2 AND DPGA2N)
Vo(dif)(max)(p-p)
maximum differential output
voltage (peak-to-peak value)
at G(min)
0.5
V
at G(max)
0.5
V
Vo(cm)(DPGA)
common mode output voltage
3.1
V
Ro(DPGA)
output resistance
at Vo(cm)(DPGA)
115
160
Co(DPGA)
output capacitance
5pF
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